55555553002503 has 8 divisors (see below), whose sum is σ = 74564627430016. Its totient is φ = 36791756955000.

The previous prime is 55555553002483. The next prime is 55555553002567. The reversal of 55555553002503 is 30520035555555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55555553002503 - 2⁵ = 55555553002471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555553082503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61319594473 + ... + 61319595378.

It is an arithmetic number, because the mean of its divisors is an integer number (9320578428752).

Almost surely, 2^{55555553002503} is an apocalyptic number.

55555553002503 is a deficient number, since it is larger than the sum of its proper divisors (19009074427513).

55555553002503 is a wasteful number, since it uses less digits than its factorization.

55555553002503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122639190005.

The product of its (nonzero) digits is 7031250, while the sum is 48.

The spelling of 55555553002503 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty-three million, two thousand, five hundred three".